Product Description21" Net. Media Center provides more room to serve as the central distribution point for voice, data, video, audio, and security services. The 14.25" W x 21" H x 3.68" D center features up to 12 mounting spaces, designed for medium installations: 2 AC knockout for power, 4 top, 3bottom, 2 per side, and 4 back 2 diameter cable access knockouts, and 8 side cable tie anchor points Great for medium installations in multi-family homes with small home offices.FeaturesUp to 8 mounting spaces14.25" W x 14" H x 3.68"D2 knockout for AC power outlet4 top, 3 bottom and 4 rear cable access knockouts, 1 per side4 side cable management pointIdeal for small installations with limited space in single family and multi-unit housingSpecificationUp to 12 mounting spaces14.25" W x 21" H x 3.68" D2 Knockout for AC power outlets4 top, 3 bottom, 4 rear, and 2 per side cable access knockout8 side cable management pointsGreat for medium installations in multi-family homes with small home offices.